Home / 7,327.68-10,991.82-2,133.54

Finding the Fourth Proportional to 7,327.68, 10,991.82 and 2,133.54

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Solution

The fourth proportional to 7,327.68, 10,991.82 and 2,133.54 is: 3,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.68 : 10,991.82 = 2,133.54 : x
  2. Step 2: Convert to fraction form
    7,327.68/10,991.82 = 2,133.54/x
  3. Step 3: Cross multiply
    7,327.68x = 10,991.82 × 2,133.54
  4. Step 4: Simplify right side
    7,327.68x = 23,451,487.64
  5. Step 5: Solve for x
    x = 23,451,487.64/7,327.68
  6. Step 6: Final answer
    x = 3,200.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.